1/* 2 * arch/arm/mach-w90x900/include/mach/uncompress.h 3 * 4 * Copyright (c) 2008 Nuvoton technology corporation 5 * All rights reserved. 6 * 7 * Wan ZongShun <mcuos.com@gmail.com> 8 * 9 * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 */ 17 18#ifndef __ASM_ARCH_UNCOMPRESS_H 19#define __ASM_ARCH_UNCOMPRESS_H 20 21/* Defines for UART registers */ 22 23#include <mach/regs-serial.h> 24#include <mach/map.h> 25#include <linux/serial_reg.h> 26 27#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) 28static volatile u32 * const uart_base = (u32 *)UART0_PA; 29 30static void putc(int ch) 31{ 32 /* Check THRE and TEMT bits before we transmit the character. 33 */ 34 while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) 35 barrier(); 36 37 *uart_base = ch; 38} 39 40static inline void flush(void) 41{ 42} 43 44static void arch_decomp_setup(void) 45{ 46} 47 48#endif/* __ASM_W90X900_UNCOMPRESS_H */ 49